cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/realtek/rtlwifi/rtl8192ee/led.c

/******************************************************************************
 *
 * Copyright(c) 2009-2014  Realtek Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * The full GNU General Public License is included in this distribution in the
 * file called LICENSE.
 *
 * Contact Information:
 * wlanfae <wlanfae@realtek.com>
 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
 * Hsinchu 300, Taiwan.
 *
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 *****************************************************************************/

#include "../wifi.h"
#include "../pci.h"
#include "reg.h"
#include "led.h"


static void _rtl92ee_init_led(struct ieee80211_hw *hw, struct rtl_led *pled, enum rtl_led_pin ledpin) { pled->hw = hw; pled->ledpin = ledpin; pled->ledon = false; }

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void rtl92ee_sw_led_on(struct ieee80211_hw *hw, struct rtl_led *pled) { u32 ledcfg; struct rtl_priv *rtlpriv = rtl_priv(hw); RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); switch (pled->ledpin) { case LED_PIN_GPIO0: break; case LED_PIN_LED0: ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL); ledcfg &= ~BIT(13); ledcfg |= BIT(21); ledcfg &= ~BIT(29); rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg); break; case LED_PIN_LED1: break; default: RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, "switch case %#x not processed\n", pled->ledpin); break; } pled->ledon = true; }

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Larry Finger12496.12%150.00%
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Total129100.00%2100.00%


void rtl92ee_sw_led_off(struct ieee80211_hw *hw, struct rtl_led *pled) { struct rtl_priv *rtlpriv = rtl_priv(hw); u32 ledcfg; RT_TRACE(rtlpriv, COMP_LED, DBG_LOUD, "LedAddr:%X ledpin=%d\n", REG_LEDCFG2, pled->ledpin); switch (pled->ledpin) { case LED_PIN_GPIO0: break; case LED_PIN_LED0: ledcfg = rtl_read_dword(rtlpriv , REG_GPIO_PIN_CTRL); ledcfg |= ~BIT(21); ledcfg &= ~BIT(29); rtl_write_dword(rtlpriv, REG_GPIO_PIN_CTRL, ledcfg); break; case LED_PIN_LED1: break; default: RT_TRACE(rtlpriv, COMP_ERR, DBG_LOUD, "switch case %#x not processed\n", pled->ledpin); break; } pled->ledon = false; }

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Larry Finger11795.90%150.00%
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void rtl92ee_init_sw_leds(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); _rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led0, LED_PIN_LED0); _rtl92ee_init_led(hw, &rtlpriv->ledctl.sw_led1, LED_PIN_LED1); }

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static void _rtl92ee_sw_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_led *pled0 = &rtlpriv->ledctl.sw_led0; switch (ledaction) { case LED_CTL_POWER_ON: case LED_CTL_LINK: case LED_CTL_NO_LINK: rtl92ee_sw_led_on(hw, pled0); break; case LED_CTL_POWER_OFF: rtl92ee_sw_led_off(hw, pled0); break; default: break; } }

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void rtl92ee_led_control(struct ieee80211_hw *hw, enum led_ctl_mode ledaction) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_ps_ctl *ppsc = rtl_psc(rtl_priv(hw)); if ((ppsc->rfoff_reason > RF_CHANGE_BY_PS) && (ledaction == LED_CTL_TX || ledaction == LED_CTL_RX || ledaction == LED_CTL_SITE_SURVEY || ledaction == LED_CTL_LINK || ledaction == LED_CTL_NO_LINK || ledaction == LED_CTL_START_TO_LINK || ledaction == LED_CTL_POWER_ON)) { return; } RT_TRACE(rtlpriv, COMP_LED, DBG_TRACE, "ledaction %d,\n", ledaction); _rtl92ee_sw_led_control(hw, ledaction); }

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